Loreto is saying that there is no material difference between the LPC and the CPC. The conservatives absolutely say they are different.

Ultimately though, here is what Loreto is actually saying:

The only real decision, then, isn’t whether or not to support the Liberals, but how you can use your energy and limited time to make something better, build something more powerful, that can force the Carneys of the world to make better decisions.

Bad faith, bad also kinda garbage, interpretation: "she's saying don't vote and that it doesn't matter, she's dampening the vote".

Good faith, useful, interpretation: "vote how you will, but know that if you want real change about real problems it will take more than just voting".